Index Page General 2 Approvals 3 Technical Information 5 Mounting ...

Contactors
Utilization Categories
For easier choice of devices and in order to make the comparison
of different products simplier are utilization categories for contactors
and motor-starters according to IEC 947-4-1 and VDE 0660 Part 102, for
Type of Cate- Typical applications Rated Test conditions for the number of Test conditions for
current gory operational on-load operating cycles making and breaking capacities
current Make Break Make Break
I/I e U/U e cosϕ I c /I e U r /U e cosϕ I/I e U/U e cosϕ I c /I e U r /U e cosϕ
Alter- Non-inductive or
nating AC1 slightly inductive loads all values 1 1 0,95 1 1 0,95 1,5 1,05 0,8 1,5 1,05 0,8
Current resistance furnaces
Slip-ring motors:
AC2 starting, switching off all values 2,5 1 0,65 2,5 1 0,65 4 1,05 0,65 4 1,05 0,65
Squirrel-cage motors: I e ≤ 17A 6 1 0,65 1 0,17 0,65 10 1,05 0,45 8 1,05 0,45
AC3 starting, switching off 17A< I e ≤ 100A 6 1 0,35 1 0,17 0,35 10 1,05 0,45 8 1,05 0,45
motors during running I e > 100A 6 1 0,35 1 0,17 0,35 10 1,05 0,35 8 1,05 0,35
Squirrel-cage motors: I e ≤ 17A 6 1 0,65 6 1 0,65 12 1,05 0,45 10 1,05 0,45
AC4 starting, plugging, 17A< I e ≤ 100A 6 1 0,35 6 1 0,35 12 1,05 0,45 10 1,05 0,45
inching I e > 100A 6 1 0,35 6 1 0,35 12 1,05 0,35 10 1,05 0,35
Switching of electric
AC5a discharge lamp controls all values - - - - - - 3 1,05 0,45 3 1,05 0,45
Switching of
AC5b incandescent lamps all values - - - - - - 1,5 1,05 1) 4 1,05 1)
Switching of
AC6a transformers I e ≤ 100A - - - - - - 4,5 1,05 0,45 3,6 1,05 0,45
I e > 100A - - - - - - 4,5 1,05 0,35 3,6 1,05 0,35
Switching of
AC6b capacitors - - - - - - - 2) 2)
Slightly inductive loads
AC7a in household appliances all values - - - - - - 1,5 1,05 0,8 1,5 1,05 0,8
and similar applications
AC7b
Motor loads
for household applications I ≤ e
I > e
100A
100A
-
-
-
-
-
-
-
-
-
-
-
-
8
8
1,05
1,05
0,45
0,35
6
6
1,05
1,05
0,45
0,35
Hermetic refrigerant compressor
AC8a motor control with manual
resetting of overload releases
Hermetic refrigerant compressor
I ≤ e
I > e
100A
100A
-
-
-
-
-
-
-
-
-
-
-
-
6
6
1,05
1,05
0,45
0,35
6
6
1,05
1,05
0,45
0,35
AC8b motor control with automatic
resetting of overload releases
I ≤ e
I > e
100A
100A
-
-
-
-
-
-
-
-
-
-
-
-
6
6
1,05
1,05
0,45
0,35
6
6
1,05
1,05
0,45
0,35
Control of resistive loads and
AC12 solid state loads with all values - - - - - - 1 1 0,9 1 1 0.9
isolation by opto couplers
Control of
AC13 solid state loads with all values - - - - - - 10 1,1 0,65 1,1 1,1 0,65
transformer isolation
Control of
AC14 small electromagnetic loads - - - - - - - 6 1,1 0,7 6 1,1 0,7
(≤72VA)
Control of
AC15 electromagnetic load - 10 1 0,7 1 1 0,4 10 1,1 0,3 10 1,1 0,3
(>72VA)
Make L/R Break L/R Make L/R Break L/R
I/I e U/U e [ms] I c /I e U r /U e [ms] I/I e U/U e [ms] I c /I e U r /U e [ms]
Direct Non-inductive or
Current DC1 slightly inductive loads all values 1 1 1 1 1 1 1,5 1,05 1 1,5 1,05 1
resistance furnaces
Shunt-motors:
DC3 starting, plugging, inching all values 2,5 1 2 2,5 1 2 4 1,05 2,5 4 1,05 2,5
dynamic braking of d.c. motors
Series-motors:
DC5 starting, plugging, inching all values 2,5 1 7,5 2,5 1 7,5 4 1,05 15 4 1,05 15
dynamic braking of d.c. motors
Switching of
DC6 incandescent lamps all values - - - - - - 1,5 1,05 1) 4 1,05 1)
Control of resistive loads and
DC12 solid state loads with all values - - - - - - 1 1 1 1 1 1
isolation by opto couplers
Control of
DC13 electromagnets all values 1 1 ≤300 1 1 ≤300 1,1 1,1 ≤300 1,1 1,1 ≤300
Control of
DC14 electromagnetic loads having all values - - - - - - 10 1,1 15 10 1,1 15
economy resistors in circuit
U e Rated operational voltage, U Voltage before make, U r Recovery voltage, I e Rated operational current, I Current make, I c Current broken
1) Test with incandescent lamps
2) Test conditions according to standard
control circuit devices and switching elements according to
IEC 947-5-1 and VDE 0660 Part 200 determind. The table offers different
utilization categories, typical applications and assorted test conditions.
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